./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:48:37,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:48:37,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:48:37,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:48:37,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:48:37,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:48:37,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:48:37,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:48:37,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:48:37,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:48:37,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:48:37,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:48:37,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:37,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:48:37,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:48:37,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:48:37,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:48:37,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:48:37,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 [2024-12-06 04:48:38,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:38,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:38,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:38,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:38,103 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:38,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2024-12-06 04:48:40,679 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/data/7a509e66e/453c88aed35646249074f7b5c3fd321c/FLAG5e36d7c66 [2024-12-06 04:48:40,871 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:48:40,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2024-12-06 04:48:40,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/data/7a509e66e/453c88aed35646249074f7b5c3fd321c/FLAG5e36d7c66 [2024-12-06 04:48:41,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/data/7a509e66e/453c88aed35646249074f7b5c3fd321c [2024-12-06 04:48:41,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:48:41,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:48:41,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:41,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:48:41,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:48:41,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632408d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41, skipping insertion in model container [2024-12-06 04:48:41,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:48:41,375 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c[538,551] [2024-12-06 04:48:41,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:41,395 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:48:41,402 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c[538,551] [2024-12-06 04:48:41,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:41,422 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:48:41,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41 WrapperNode [2024-12-06 04:48:41,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:41,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:41,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:48:41,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:48:41,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,453 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-06 04:48:41,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:41,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:48:41,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:48:41,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:48:41,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:48:41,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:48:41,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:48:41,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:48:41,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:41,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:48:41,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:48:41,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:48:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:48:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:48:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:48:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:48:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:48:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:48:41,585 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:48:41,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:48:41,723 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 04:48:41,723 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:48:41,757 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:48:41,757 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:48:41,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:41 BoogieIcfgContainer [2024-12-06 04:48:41,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:48:41,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:48:41,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:48:41,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:48:41,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:41" (1/1) ... [2024-12-06 04:48:41,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:48:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-06 04:48:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-06 04:48:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:48:41,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:41,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:48:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 04:48:41,943 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 04:48:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:48:41,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:48:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2024-12-06 04:48:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-12-06 04:48:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:48:42,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:48:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2024-12-06 04:48:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-06 04:48:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:42,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:48:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2024-12-06 04:48:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-12-06 04:48:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:48:42,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:42,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:48:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:42,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:48:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2024-12-06 04:48:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-12-06 04:48:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:48:43,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:43,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:48:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 76 transitions. [2024-12-06 04:48:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-12-06 04:48:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:48:44,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:44,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:48:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:44,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:44,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:48:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 86 transitions. [2024-12-06 04:48:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-12-06 04:48:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:48:45,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:48:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:45,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:45,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 04:48:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 89 transitions. [2024-12-06 04:48:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-12-06 04:48:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:48:45,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:45,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 04:48:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 88 transitions. [2024-12-06 04:48:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-12-06 04:48:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:48:46,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:48:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 99 transitions. [2024-12-06 04:48:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2024-12-06 04:48:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:48:47,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:48:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:47,096 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:48:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:47,120 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 04:48:47,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:48:47 ImpRootNode [2024-12-06 04:48:47,147 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:48:47,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:48:47,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:48:47,147 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:48:47,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:41" (3/4) ... [2024-12-06 04:48:47,149 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:48:47,190 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 22. [2024-12-06 04:48:47,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:48:47,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:48:47,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:48:47,244 INFO L158 Benchmark]: Toolchain (without parser) took 5983.65ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 52.7MB in the end (delta: 65.0MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,244 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:47,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.89ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.79ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:47,244 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 936.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,245 INFO L158 Benchmark]: RCFGBuilder took 283.11ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,245 INFO L158 Benchmark]: CodeCheck took 5388.51ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 58.0MB in the end (delta: 31.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,245 INFO L158 Benchmark]: Witness Printer took 95.54ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 52.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:47,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 617 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 974 IncrementalHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 415 mSDtfsCounter, 974 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1712 GetRequests, 1572 SyntacticMatches, 20 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5993 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 3 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 118/118 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] long long r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L35] COND TRUE counter++<1 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L35] COND FALSE !(counter++<1) [L45] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L45] COND FALSE !(counter++<1) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.89ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.79ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 936.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 283.11ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5388.51ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 58.0MB in the end (delta: 31.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 95.54ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 52.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:48:47,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c2c627-3ed7-4de0-9be4-b512b87d2192/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE